1. Download driveridentifier setup file to a USB drive
2. Bring the USB to the computer without internet and run the setup
3. Run Driverscan
4. It will open Internet explorer, When it could not connect to the network, it will ask you to click on menu “File ” => Save as , save it to a USB drive
5. bring the USB back to the computer with internet , double click on the file you just save.
6. It will bring you to the driver scan result page which you can download driver.